
/*---------------------------------------------分隔符------------------*/
.two-hundred {
    width: 200px;
    border: 1px solid gray;
}

.five-hundred {
    width: 480px;
    border: 1px solid gray;
}

.middle > div:nth-child(1) > div {
    display: flex;
    justify-content: space-between;
    margin-top: -20px;
}

/*课程中心*/
.course {
    display: flex;
    justify-content: space-between;
    color: white;
    font-size: 10px;
    /*文本左右居中*/
    text-align: center;
}

.course > div {
    width: 98px;
    height: 130px;
    margin: 0 0 5px 0;
}

.course > div > div:nth-child(1) {
    width: 98px;
    height: 130px;
}

.course > div > div:nth-child(1) > img {
    width: 100%;
    height: 100%;
}

/*让文字跑上去*/
.course > div > div:nth-child(2) {
    margin-top: -40px;
}

/*.course > div:nth-child(1) {*/
/*    background-image: url("../img/1_16_k2ob.jpg");*/
/*}*/

/*.course > div:nth-child(2) {*/
/*    background-image: url("../img/1_16_k2ob.jpg");*/
/*}*/

/*.course > div:nth-child(3) {*/
/*    background-image: url("../img/1_16_k2ob.jpg");*/
/*}*/

/*.course > div:nth-child(4) {*/
/*    background-image: url("../img/1_16_k2ob.jpg");*/
/*}*/

/*.course > div:nth-child(5) {*/
/*    background-image: url("../img/1_16_k2ob.jpg");*/
/*}*/

/*.course > div > div {*/
/*    margin: 70px 0 0 0;*/
/*}*/
.course > div:last-child {
    color: black;
    font-size: 50px;
    width: 98px;
    height: 130px;
    /*行高：可以对文字上下居中*/
    line-height: 130px;
}

/*------------------------------我们的服务优势---------------------------*/
.service {
    background-color: white;
}

.rect {
    width: 50px;
    height: 50px;
    background-color: rgb(243, 101, 37);
    text-align: center;
    line-height: 50px;
    color: white;
}

/*三角形*/
.triangle {
    width: 0;
    height: 0;
    border: 25px solid transparent;
    border-top-color: rgb(243, 101, 37);
    margin-top: -10px;
}

/*逗号  分组选择器*/
.service .service-good, .service .read-more {
    margin-top: -30px;
}

.service-content {
    /*border: 1px solid blue;*/
}

.service-content > div {
    width: 200px;
    height: 130px;
    /*border: 1px solid red;*/
    margin: 10px 0;
}

.service-good-img {
    width: 50px;
    height: 50px;
}

.service-good-name {
    color: rgb(243, 101, 37);
}

.service-good-describe {
    color: gray;
    font-size: 10px;
}

/*-------------------------------关于我们---------------*/
.about-us > div:nth-child(1) {
    background-color: rgb(243, 101, 37);
    height: 100px;
    color: white;
}

.about-us > div:nth-child(1) > div {
    margin: 0 0 0 30px;
}

/*后代选择器*/
.about-us img {
    width: 100px;
    height: 150px;
}

.about-us > div:nth-child(2) > div:nth-child(1) {
    height: 250px;
    /*前两行固定用法*/
    overflow: hidden;
}

.about-us .read-more {
    margin: 10px;
}

/*-------------------------------------------------------------*/
.middle > div:nth-child(2) {
    background-color: rgb(249, 249, 249);
    /*height: 300px;*/
}

.enterprise-idea {
    width: 200px;
    /*border: 1px solid red;*/
}

.news-center {
    width: 480px;
    /*border: 1px solid red;*/
}

.contact-us {
    width: 200px;
    /*border: 1px solid red;*/
}

.middle > div:nth-child(2) .chinese-name {
    color: rgb(243, 101, 37);
}

.middle > div:nth-child(2) .english-name {
    font-size: 10px;
}

.middle > div:nth-child(2) > div:nth-child(1) {
    margin: 20px 0;
}

.middle > div:nth-child(2) .border-gray {
    height: 250px;

}

.enterprise-idea > div:nth-child(2) > div {
    width: 80px;
}

.enterprise-idea-describe {
    font-size: 10px;
    height: 175px;
    overflow: hidden;
}

.enterprise-idea-img {
    width: 50px;
    height: 50px;
}

.enterprise-idea-name {
    margin: 5px 0;
}

/*-------------------------------------------新闻中心---------------------------*/
.news-content {
    width: 240px;
    /*border: 1px solid red;*/
}

.news-rotation {
    width: 200px;
    /*border: 1px solid red;*/

}

.news-style {
    height: 50px;
    font-size: 15px;

}

.news-style > div > div:nth-child(1) {
    padding: 0 10px;
    height: 30px;
    line-height: 30px;
    cursor: pointer;
}

.news-style > div > div:nth-child(2) > div {
    /*height: 10px;*/
    height: 0;
    width: 0;
    border: 10px solid transparent;
    border-top-color: rgb(243, 101, 37);
}

/*鼠标移上去事件，让背景颜色更改*/
.news-style > div:hover .news-style-name {
    background-color: rgb(243, 101, 37);
    color: white;
}

/*刚开始让三角形隐藏*/
.news-triangle {
    visibility: hidden;
}

/*鼠标移上去，三角形显示*/
.news-style > div:hover .news-triangle {
    visibility: visible;
}

/*--------------新闻标题----------------*/
.news-title {
    font-size: 10px;
}

.news-title > div {
    border-bottom: 1px dashed gray;
    line-height: 30px;
}

.news-title > div > div:nth-child(1) {
    overflow: hidden;
    white-space: nowrap;
    width: 150px;
    cursor: pointer;
}

.news-title > div > div:nth-child(1):hover {
    color: blue;
}


/*轮播*/
/* 盒子的样式 */
.focus {
    width: 200px;
    height: 200px;
    /*css动画：动画名称  完成动画需要的时间  动画播放的次数*/
    animation: focus 5s infinite;
    margin: 0 0 15px 0;
}

@keyframes focus {
    0% {
        background-image: url("../img/8n4k.png");
    }
    50% {
        background-image: url("../img/a_kr3u.png");
    }
    100% {
        background-image: url("../img/a_rh30.png");
    }
}

/*--------------联系我们----------------*/
.contact-us > div:nth-child(2) > div:nth-child(1) img {
    width: 180px;
    height: 100px;
}

/*具体联系我们的方式*/
.contact-us-img img {
    width: 20px;
    height: 20px;
}

.contact-us > div:nth-child(2) {
    font-size: 1px;
}

.contact-us-title {
    width: 80px;
}

/* 加号  兄弟选择器*/
.contact-us-title + div {
    white-space: nowrap;
}

.contact-us-content > div {
    line-height: 40px;
    overflow: hidden;
}
